When a proton at rest is accelerated through a potential difference of -20 v , its final speed is when a proton at rest is accelerated through a potential difference of -20 , its final speed is 6.2 m/s . 4.4×104 m/s . 6.2×104 m/s . c (the speed of light).

d

explanation:

i think the answer is d. but im not sure!

s the environmental science is a broader field that incorporates many elements of earth and life sciences, whereas ecology is usually more focused on how organisms interact with each other and their surroundings, and often on a very specific population of living things. soo yea

explanation:

probably not if net force is zero

your answer is, orbit around the nucleus